Answers
Answer:
that is your answer hope this helps u
Related Questions
How many covalent bonds must each carbon atom have around it in an organic or biochemical molecule? 1 2 3 4
Answers
Answer:
4 covalent bonds
Explanation:
Each carbon atom can form as many as four covalent bonds with other carbon atoms as well as with other elements. Be able to explain why this is so. Be able to list the four main groups of organic molecules and their functions in living things.
# 19 of precipitation
The value of Ksp for calcium sulfate is 2.4 x 10-5.
A solution of calcium sulfate with a concentration of 2.0 x 10-2 mol L-¹ is
Select one:
O a. undersaturated and precipitation of solid calcium sulfate will occur.
O b. of unknown saturation so prediction is not possible.
O c. undersaturated and precipitation of solid calcium sulfate will not occur.
O d. supersaturated and precipitation of solid calcium sulfate will occur.
supersaturated and precipitation of solid calcium sulfate will not occur.
e.
Answers
The solution is undersaturated and precipitation of solid calcium sulfate will not occur.
What is Ksp?Ksp stands for solubility product constant. The solubility product constant, Ksp, is the equilibrium constant for a solid substance dissolving in an aqueous solution.
From the given information, the solubility product constant of calcium sulfate is smaller than the concentration of its solution, thus, the solution is undersaturated and precipitation of solid calcium sulfate will not occur.
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Please help!! Picture included. One try please explain answer.
Answers
Answer: 2
Explanation:
Artificial transmutation occurs when nuclides are bombarded by particles like alpha particles or beta particles.
A camel hump contains 12 kg of triacyclglycerols,
a) Given that there are 0.491 moles of ATP per gram of fat, how many moles of ATP could be produced by the fat in the camel hump?
______moles
b) If the hydrolysis of ATP releases 7.3 kcal/mole, how many kilocalories are produced by the utilization of the fat?
______kcal
Answers
The answer is 5892 moles of ATP will be produced from 12 kg of triacyclglycerols, and 43012 kcal energy will be generated by the utilization of the fat .
What are Triacyclglycerols ?Triacylglycerols are formed by linking fatty acids with an ester linkage to three alcohol groups in glycerol.
Triacylglycerols are the form in which fat energy is stored in adipose tissue.
A camel hump contains 12kg = 12000 gm of Triacyclglycerols
a) It is given that there are 0.491 moles of ATP per gram of fat ,
So for 12000 gm of fat in camel hump 12000 * 0.491 moles of ATP will be produced .
= 5892 moles
Therefore Answer is 5892 moles .
If Hydrolysis of ATP releases 7.3 kcal/mole
so 5892 moles will produce 5892 * 7.3 kcal
=43012 kcal energy will be generated by the utilization of the fat.
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A 1.5 kg rock and a 15 kg book are dropped from rest from the same
height at the same time. In the absence of air resistance, which one will
hit the ground first?
Answers
Stages of elution and regeneration
Answers
The resin may be regenerated by washing it again with water and making it safe for use again.
What is elution and regeneration ?Elution and regeneration are important processes in the treatment of water. The waste water is eluted through an ion exchange resin in which exchange of ions takes place.
The resin may be regenerated by washing it again with water and making it safe for use again.
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Describe the problem you have chosen to investigate. Plan your investigation and write out the steps in your procedure. Include a sketch of your set up. Explain how this procedure and set-up will help you investigate the problem.
Answer both questions asap for brainliest
Carry out your experiment. Present evidence that you have carried out the experiment below. You may upload photos as evidence. Record your data in a chart. Be sure you have starting data and several data points. Analyze your results. You may want to present your data as a graph. Did the investigation you planned determine the relationships among temperature, the energy transferred, the type of matter, the mass, and the change in the average kinetic energy of the particles as measured by the temperature of the sample? How do you know? Use complete sentences and paragraph form for your analysis.
Answers
Answer: baited.
Explanation:
Which statement about compounds and molecules is correct?
O All compounds are molecules.
O All molecules are compounds.
O Compounds are composed of molecules bonded together.
O Molecules are composed of compounds bonded together.
Answers
Answer: Compounds are composed of molecules bonded together.
The statement about compounds and molecules is correct is compounds are composed of molecules bonded together. Therefore, option C is correct.
What are compound ?The term compound is defined as a substance made from two or more different elements that have been chemically attached. Water, carbon dioxide and table salt are some examples of compounds.
A compound is form when two or more atoms form a chemical bond that links them together. As we know, there are two types of bonds are present that are ionic bonds and covalent bonds.
In an ionic bond, the atoms are linked together by the electrostatic forces of the attraction between ions of opposite charge. So,compounds are composed of molecules bonded together.
Thus, option C is correct.
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Which natural hazard is least likely to affect Florida?
drought
wildfire
rip current
tsunami
Answers
Answer:
A rip current is least likely to affect Florida.
Explanation:
Since Florida is surrounded by bodies of water it would make sense for Tsunamis to occur frequently. Florida is also known to have drought problems and sometimes also wildfires. A rip current would probably affect Florida the least as it is also the least dangerous to society.
Answer:
tsunami
Explanation:
name the three crystalline forms of carbon
Answers
Answer:
Diamond.
Graphite.
Fullerene
Explanation:
these are three crystalline forms of carbon.
kilometre is a multiple of metre why
Answers
dam,hm,km…you have to multiply by 10 to go from the smallest to the largest unit
Meter basic unit, then we have multiple
dam,hm, km. you have to multiply by 10 to
go from the smallest to the largest unit
does vitamin b1 contain chemicals or a chemical reaction
Answers
PLEASE HURRY What is one technology that has contributed to human population growth in the past that could hinder it in the future? How will this happen?
Answers
Answer:
Factories because they have helped with producing goods faster but in the meanwhile, our future will slowly get warmer.
Explanation:
Which reason explains why the boiling point of water (H2O) is higher than the boiling point of hydrogen sulfide(H2S)
Options:
Ionic bonding
Covalent bonding
Hydrogen bonding
London dispersion forced
Answers
A 150.0 mg block at 22.5⁰C has a volume of 5,382 cm³.
Which answer choice represents BOTH the correct temperature of the block in Kelvin AND the correct density of the block in g/cm³?
72.5 ⁰K; 2.78 x 10⁻⁵ g/cm³
296 ⁰K; 3.59 x 10⁴ g/cm³
-250 ⁰K; 3.59 x 10⁻⁴ g/cm³
296 ⁰K; 2.78 x 10⁻⁵ g/cm³
Answers
Density is the ratio of mass and volume. The temperature in kelvin is 296 kelvin and the density of the block is 2.78 x 10⁻⁵ g/cm³. Thus, option D is correct.
What is density?Density is the gms of the substance present in a cubic centimeter of volume. It is calculated in g/ cm³.
Given,
Mass of the block = 150.0 mg
Volume = 5382 cm³
Density is calculated as:
D = Mass ÷ volume
= 0.15 gm ÷ 5382 cm³
= 2.78 × 10⁻⁵ gm/ cm³
Temperature from Celsius to kelvin is converted as:
0°C + 273.15 = 273.15K
22.5 + 273.15 = 295.65 Kelvin
Therefore, option D. 296⁰K; 2.78 x 10⁻⁵ g/cm³ is correct.
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how many grams of granite at 54.1 c must be added to 467.62 of water at 21 C to make the final temp of both come out to be 29.2 C? Specific heat of granite 0.79 J/g C, specific heat of water 4.184 J/g C
Answers
Answer:
815.59
Explanation:
Assuming no heat lost to the Surrounding
Total heat lost by granite = Total heat gained by water
mc∆T of granite = mc∆T of water
m x 0.79 x (54.1 - 29.2) = 467.62 x 4.184 x (29.2 - 21.0)
m x 19.671 = 16043.48106
m = 16043.48106/19.671
= 815.59J
A majority of your diet should be 1
vegetables and protein 2. vegetables and fats 3. fruits and vegetables 4. fruits and fats
Answers
Answer:
Veggie and proteins
Explanation:
At least based on US govt. recommendation we have to have more veggies and proteins and then fruits.
https://en.wikipedia.org/wiki/MyPlate
Answer:
C. fruits and vegetables
Explanation:
i got it correct on my test i hope you do too. have a good day
Determine the molarity of a solution with a volume of 437. mL and 0.590 mol of
solute dissolved.
Answer:
Answers
Answer:
= 1.35M
Explanation:
data:
volume = 437ml
= 437 /1000
= 0.437dm^3
no. of moles = 0.590 moles
solution:
molarity = [tex]\frac{no. of moles}{volume in dm^3}[/tex]
= 0.590 / 0.437
molarity = 1.35M
When a fuel is burned, energy is released. Where do you think that energy comes from?
Answers
The energy comes from the sun, captured through photosynthesis.
Question 2 of 32
Which best describes what happens during a typical energy conversion?
O A. Some energy is destroyed.
OB. Some energy is created.
C. The total amount of all forms of energy stays the same.
OD. Some mass changes into energy, and some energy changes into
mass.
Answers
Which statement correctly describes 1 mole of iodine (I₂)
A) its mass is 126.9g
B) its mass is 380.7 g
C) it contains 6.02*10^23 atoms
D)it contains 6.02*10^23 molecules
Answers
Answer:
It contains 6.02*10^23 molecules
Explanation:
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1. Which substance dissolves in water to give a solution with a pH greater
than 7?
A Sulphur dioxide
B Sodium oxide
С Sodium chloride
D Carbon dioxide
Answers
Answer: sulphur dioxide
Explanation:
2. An industrial process wastewater contains a mixture of metal fragments and sand. The metal fragments range in diameter from 0.5 to 10 mm with a specific gravity of 1.65. The sand particles range in diameter from 0.04 to 2.0 mm with a specific gravity of 2.65. The wastewater discharge rate is 1400 m3/d at 20°C. Design a settling tank to remove all the metal and sand particles. If the depth of the tank is 2 m, calculate the detention time. Solution Given
Answers
The detection time when an industrial process wastewater contains a mixture of metal fragments and sand is 1392.8 seconds.
How to calculate the detection time?From the information regarding the industrial process wastewater, the settling velocity for the sand particles will be:
= 9.81/[18(1.002 × 10^-6] × (2.65 - 1) × (0.04 × 10^-³)²
= 0.001435
Therefore, the detection time will be:
t = 2/0.001435
t = 1392.8 seconds.
The detection time is 1392.8 seconds.
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What is the molar mass of fluorapatite (Ca5(PO4)3F)?
Answers
Answer: 504.3
Explanation: Add the respective weights of each of the elements in the compound together.
A sample of air is held in a 722 ml. container at 23.3°C. This sample is transferred into a 481 mL container
with a measured pressure of 2.055 atm and a stable temperature of 80.1. What was the initial pressure
in the first container (in atm)?
01.38
0.978
01.24
O 1.15
Answers
Apply combine gas law
T1=296.3KT2=353KSo
[tex]\\ \rm\Rrightarrow \dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{P1(0.722)}{296.3}=\dfrac{0.481(2.055)}{353}[/tex]
[tex]\\ \rm\Rrightarrow 0.0024P1=0.0028[/tex]
[tex]\\ \rm\Rrightarrow P_1=1.167atm[/tex]
D
Calculate the mass in grams of NaCl required to prepare 0.500 L of a 0.500 M solution.
Answers
Answer:
14.61 g NaCl
Explanation:
Molarity = moles / volume of solution (litres)
0.500 = moles / 0.500 L
moles = 0.25
Molar mass of NaCl is 58.44 g NaCl /1 mol NaCl.
0.25 moles NaCl x 58.44 g NaCl /1 mol NaCl
= 14.61 g NaCl
Question 8 (1 point)
A lead sinker is used in fishing to weight a fishing line down. If 149.4 J of heat energy
J
was added to a lead sinker with a mass of 50 g. What is the total temperature change
for the lead sinker? Assume the specific heat (c) of lead is 0.129 J/gºC.
888
Answers
Answer:
do u like fishing
Explanation:
because i do
Answer:
23.2 C
Explanation:
By looking at the dimension of specific heat ( J/g-C) , you can compute these type of questions:
149.4 J / ( .129 J / g-C * 50 g) = 23.2 C
(see how dimensions g and J cancel out and you are left with C ? )
Below is a symbol block from the periodic table. What does the number 6 indicate?
Answers
Answer:
Carbon And the number of protons
How many grams sodium bromide can be formed from 51 grams of sodium hydroxide?
Answers
Explanation:
When working with moles only, you will start by applying stoichiometry to determine how the reactants will affect your amount of products in this reaction. For this question, we will assume that other reactants are in infinite qualities, so therefore, it is the amount of aluminum that we will be concerned with. You need to figure out how much aluminum is in the specified amount of aluminum bromide, and then how much aluminum hydroxide that will be able to create. Make sure all your units cancel out!
9.24 mol AlBr3 x (1 mol Al / 1 mol AlBr3) x (1 mol Al(OH)3 / 1 mol Al) = 9.24 mol AlBr3
When you're working with mole ratios that involve grams to moles conversions, the first thing you want to do is calculate the molecular weight of each component you are being asked about. Because the question was given to you as words instead of chemical formulas, you will want to figure out the chemical formulas. For example, aluminum hydroxide is Al(OH)3 and aluminum bromide is AlBr3. To calculate molecular weight, you will want to consult a periodic table, find the molecular weight for each atom, and then calculate the correct sum of each molecular weight. Make sure you keep track of the number of each atom you have, i.e. 3 oxygen and 3 hydrogen for aluminum hydroxide.
Na = 22.990 g/mol
O = 15.999 g/mol
H = 1.008 g/mol
NaOH = 22.990 g/mol + 15.999 g/mol + 1.008 g/mol = 39.997 g/mol
Al = 26.982 g/mol
O = 15.999 g/mol
H = 1.008 g/mol
Al(OH)3 = 26.982 g/mol + (3 x 15.999 g/mol) + (3 x 1.008 g/mol) = 78.003 g/mol
Now, if you begin with an amount of NaOH in grams, you will first have to convert that to moles in order to use the mole ratio.
24 g NaOH x (1 mol NaOH / 39.997 g NaOH) = 0.600 mol NaOH
Now, you will have to account for the part of the sodium hydroxide that will be present in the aluminum hydroxide. In this case, it is the hydroxide (OH) portion of the formula. There is one mole of OH in each mole of NaOH, but there are 3 moles of OH in each mole of Al(OH)3. You will start with the 0.600 mol NaOH you know you have and then use the mole ratio.
0.600 mol NaOH x (1 mol OH / 1 mol NaOH) x (1 mol Al(OH)3 / 3 mol OH) = 0.200 mol Al(OH)3
Finally, when you are converting from grams to grams, you will have to find the molecular weight of both the reactant and the product, convert reactants in grams to reactants in moles, then use the mole ratio, then convert the moles of product back to grams of product. This time, you are concerned about the mole ratio of sodium, as that is the element that is in both chemical formulas.
What is the ionic equation of a neutrilisation reaction?
Answers
Answer:
A salt is a neutral ionic compound. Let's see how a neutralization reaction produces both water and a salt, using as an example the reaction between solutions of hydrochloric acid and sodium hydroxide. The overall equation for this reaction is: NaOH + HCI → H2O and NaCl.
Explanation:
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